types of screw threads and their applications
Screw fasteners are subdivided into a wide variety of threads, so what are the types of screw threads and their applications ? Machine thread: Generally marked with M, indicating that the thread type is a machine thread. Machine thread are a large category of thread types, and there are also classifications in the machine thread. What are the types of screw threads and their applications ? One is a conventional wire tooth, which is generally formed by cold heading, and the tail is not treated, and is naturally formed. One is a wire triangle tooth, this type of thread is for the screw to fit better. One is the chamfering of the wire, which is generally for better guiding, so that the screw can be screwed in better. The chamfer generally has two molding methods: one is cold-formed natural molding, and the mold is used in production to make the tail chamfered. One is turning molding. Self-tapping threads: Self-tapping threads are generally indicated by A...